20841375

素因数分解:

$3^1\times 5^3\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 35006400

約数和(自身を除く): 14165025

約数列:

[1, 3, 5, 15, 25, 75, 125, 149, 373, 375, 447, 745, 1119, 1865, 2235, 3725, 5595, 9325, 11175, 18625, 27975, 46625, 55577, 55875, 139875, 166731, 277885, 833655, 1389425, 4168275, 6947125, 20841375]

約数ペア:

[(1, 20841375), (3, 6947125), (5, 4168275), (15, 1389425), (25, 833655), (75, 277885), (125, 166731), (149, 139875), (373, 55875), (375, 55577), (447, 46625), (745, 27975), (1119, 18625), (1865, 11175), (2235, 9325), (3725, 5595)]